This is a set of 4 rolls of 3M Post-it Cover-up Tape 651 and 1 roll of uni Correction Cover Refill Tape CLKR-8. *The uni tape is included as a bonus. [3M Post-it Cover-up Tape 651] This is a correction tape that can be applied neatly and removed cleanly. It's convenient for covering unwanted areas when making copies. The size is 4.2mm. [uni Correction Cover Refill Tape CLKR-8] This is a refill for the stick-on, peel-off type correction tape. It can be used for covering up information on copies, writing addresses on faxes, etc. All items are unused, but please understand that they have been stored at home before purchasing. Thank you.